835640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 2026080

約数和(自身を除く): 1190440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1607, 3214, 6428, 8035, 12856, 16070, 20891, 32140, 41782, 64280, 83564, 104455, 167128, 208910, 417820, 835640]

約数ペア:

[(1, 835640), (2, 417820), (4, 208910), (5, 167128), (8, 104455), (10, 83564), (13, 64280), (20, 41782), (26, 32140), (40, 20891), (52, 16070), (65, 12856), (104, 8035), (130, 6428), (260, 3214), (520, 1607)]